MLK-11442 mlb: imx: add mlb support on imx_4.1.y

Add mlb support on imx_4.1.y. The files are copied from imx_3.14.y.

Signed-off-by: Gao Pan <b54642@freescale.com>
(Vipul: Fixed merge conflicts)
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
(cherry picked from commit 24e36b318a29d85c0c4491076416343ade1f344e)

drivers/Kconfig

@@ -228,4 +228,5 @@ source "drivers/interconnect/Kconfig"
 
 source "drivers/counter/Kconfig"
 
+source "drivers/mxc/Kconfig"
 endmenu

drivers/Makefile

@@ -186,3 +186,4 @@ obj-$(CONFIG_SIOX)		+= siox/
 obj-$(CONFIG_GNSS)		+= gnss/
 obj-$(CONFIG_INTERCONNECT)	+= interconnect/
 obj-$(CONFIG_COUNTER)		+= counter/
+obj-y		 		+= mxc/

drivers/mxc/Kconfig

@@ -0,0 +1,11 @@
+# drivers/mxc/Kconfig
+
+if ARCH_MXC
+
+menu "MXC support drivers"
+
+source "drivers/mxc/mlb/Kconfig"
+
+endmenu
+
+endif

drivers/mxc/Makefile

@@ -0,0 +1 @@
+obj-$(CONFIG_MXC_MLB) += mlb/

drivers/mxc/mlb/Kconfig

@@ -0,0 +1,17 @@
+#
+# MLB150 configuration
+#
+
+menu "MXC Media Local Bus Driver"
+
+config MXC_MLB
+	bool
+
+config MXC_MLB150
+	tristate "MLB150 support"
+	depends on SOC_IMX6Q
+	select MXC_MLB
+	help
+	Say Y to get the MLB150 support.
+
+endmenu

drivers/mxc/mlb/Makefile

@@ -0,0 +1,5 @@
+#
+# Makefile for the i.MX6Q/DL MLB150 driver
+#
+
+obj-$(CONFIG_MXC_MLB150) += mxc_mlb.o

include/linux/mxc_mlb.h

@@ -0,0 +1,55 @@
+/*
+ * mxc_mlb.h
+ *
+ * Copyright 2008-2013 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#ifndef _MXC_MLB_H
+#define _MXC_MLB_H
+
+/* define IOCTL command */
+#define MLB_DBG_RUNTIME		_IO('S', 0x09)
+#define MLB_SET_FPS		_IOW('S', 0x10, unsigned int)
+#define MLB_GET_VER		_IOR('S', 0x11, unsigned long)
+#define MLB_SET_DEVADDR		_IOR('S', 0x12, unsigned char)
+
+/*!
+ * set channel address for each logical channel
+ * the MSB 16bits is for tx channel, the left LSB is for rx channel
+ */
+#define MLB_CHAN_SETADDR	_IOW('S', 0x13, unsigned int)
+#define MLB_CHAN_STARTUP	_IO('S', 0x14)
+#define MLB_CHAN_SHUTDOWN	_IO('S', 0x15)
+#define MLB_CHAN_GETEVENT	_IOR('S', 0x16, unsigned long)
+
+#define MLB_SET_ISOC_BLKSIZE_188 _IO('S', 0x17)
+#define MLB_SET_ISOC_BLKSIZE_196 _IO('S', 0x18)
+#define MLB_SET_SYNC_QUAD	_IOW('S', 0x19, unsigned int)
+#define MLB_IRQ_ENABLE		_IO('S', 0x20)
+#define MLB_IRQ_DISABLE		_IO('S', 0x21)
+
+/*!
+ * MLB event define
+ */
+enum {
+	MLB_EVT_TX_PROTO_ERR_CUR = 1 << 0,
+	MLB_EVT_TX_BRK_DETECT_CUR = 1 << 1,
+	MLB_EVT_TX_PROTO_ERR_PREV = 1 << 8,
+	MLB_EVT_TX_BRK_DETECT_PREV = 1 << 9,
+	MLB_EVT_RX_PROTO_ERR_CUR = 1 << 16,
+	MLB_EVT_RX_BRK_DETECT_CUR = 1 << 17,
+	MLB_EVT_RX_PROTO_ERR_PREV = 1 << 24,
+	MLB_EVT_RX_BRK_DETECT_PREV = 1 << 25,
+};
+
+
+#endif				/* _MXC_MLB_H */